In theory, PN inside PN should behave exactly as if the inside PN director were not present. Why not just delete it?
It is arguably a bug that the PN director doesn't tolerate PN opaque actors. I think I tried to fix that once, but never got it fixed... Edward Josep Maria Campanera Alsina wrote: > Dear all, > I've found out that the error comes from the fact of using a PN > director as an opaque director inside a worflow managed by another PN > director! Somehow this problem is related to "Director compatibility" > issue. > > So I've decided to simplify the workflow and use a model workflow just > in order someone can find a trick to run it succesfully. The main idea > is ?How can we can continue the execution of a workflow after the > execution of an opaque composite actors with PN director inside when > the overall director is an PN one? > > In the attached example (exampleCompositeActors.xml), I cannot get a > "Execution finished" but the Kepler shows the "wrapping up" signal or > alternatively a permament "executing" signal although apparently > nothing is running (only finished partly). No error message is > displayed! > > Which worflow design I should adopt? What Am I doing wrong? How Can I > pursue my aim to execute PN composite actors sequentially? > > All help appreciated! > > Josep Maria Campanera, > > PS1: I use Kepler Release 1.0.0 (May 2008) under Linux > PS2: Thanks Edward for your comments, > > 2009/1/14 Edward A. Lee <eal at eecs.berkeley.edu>: >> This is not a situation where it is refusing to terminate because of >> unconsumed tokens. Typically, this is called by a deadlock. If you >> are running on a Windows machine from the command line, you can get >> a stack trace of all the executing threads by typing control-break. >> If you forward that to this list, we can (maybe) identify >> the culprit... >> >> Edward >> >> >> Josep Maria Campanera Alsina wrote: >>> Dear all, >>> I get a "wrapping up" message from an execution of a workflow that >>> coordinates the submission of computational chemistry jobs in a >>> cluster queue system. The workflow is based on the >>> TestJobFullCycle-SGE.xml provided by kepler itself, with some >>> variations. Find attached the mentioned workflows. >>> >>> My workflow is a composite one. I'd like to execute sequentially >>> several tasks: 1st) submit jobs to a cluster, 2nd) collect all outputs >>> and save them locally and then 3rd) convert output files to other >>> formats. Since some tasks are designed for PN director and some for >>> SDF director the overall director is a PN director. >>> >>> However, the task under the PN director (in charge of job submission) >>> never finishes tough the task is already completed and early shows the >>> message "wrapping up", so the execution never finish step 1st and 2nd >>> so the 3rd is never executed. Why PN director doesn't finish the task? >>> How Can I stop the director and allow the workflow to continue? >>> >>> I think the problem is related to the PN director that as said in the >>> user manual "may refuse to automatically terminate because tokens are >>> always generated and available to downstream actors"! Here it comments >>> that "One can correct the problem by changing the firingCountLimit >>> parameter of the Constant actor to some finite value". If done that >>> but it continues with the same problem. >>> >>> How can I overcome this? all comment will be appreciated! >>> >>> Thanks in advance, >>> >>> Josep Maria, >>> >>> --------------------------------------------- >>> Josep Maria Campanera Alsina >>> Professor Lector >>> Departament de Fisicoqu?mica >>> Facultat de Farm?cia >>> Universitat de Barcelona >>> Avgda Joan XXIII, s/n >>> 08028 Barcelona ? Catalonia ? Spain >>> Tel: +34 93 4035985 >>> Fax: +34 93 4035987 >>> campanera at ub.edu >>> -------------------------------------------- >>> >>> >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> Kepler-users mailing list >>> Kepler-users at kepler-project.org >>> http://mercury.nceas.ucsb.edu/kepler/mailman/listinfo/kepler-users -------------- next part -------------- A non-text attachment was scrubbed... Name: eal.vcf Type: text/x-vcard Size: 351 bytes Desc: not available URL: <http://mercury.nceas.ucsb.edu/kepler/pipermail/kepler-users/attachments/20090120/e16a201c/attachment.vcf>
